Determination of fluoride content in teas and herbal products popular in Poland
ConclusionsThe rank with respect to the fluoride concentration in an infusion is as follows: black tea > green tea > earl grey > pu-erh > white tea>>>rooibos, yerba mate, herbal products. Increasing of brewing time results in an increased fluoride content, but the overall content of fluoride in the analyzed infusions of teas and herbs was not high enough to cause a risk of fluorosis, even if left to brew up to 15 min.
Source: Journal of Environmental Health Science and Engineering - Category: Environmental Health Source Type: research
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